How severe is CVE-2021-47912?

CVE-2021-47912 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-47912 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47912?

CVE-2021-47912 affects Phpsugar Php Melody. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47912?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2021-47912 have an EU (EUVD) identifier?

Yes. CVE-2021-47912 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34759.

When was CVE-2021-47912 published?

CVE-2021-47912 was published on 2026-02-01 and last updated on 2026-06-17.

CVE-2021-47912

CVE-2021-47912 is a medium-severity vulnerability in Phpsugar Php Melody with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-34759
Weakness: CWE-79
Affected product: Phpsugar Php Melody
Published: 2026-02-01
Last modified: 2026-06-17

Description

PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.

Frequently asked questions

What is CVE-2021-47912?: PHP Melody version 3.0 contains multiple non-persistent cross-site scripting vulnerabilities in categories, import, and user import files. Attackers can inject malicious scripts through unvalidated parameters to execute client-side attacks and potentially hijack user sessions.
How severe is CVE-2021-47912?: CVE-2021-47912 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-47912 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47912?: CVE-2021-47912 affects Phpsugar Php Melody. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47912?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-47912 have an EU (EUVD) identifier?: Yes. CVE-2021-47912 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-34759.
When was CVE-2021-47912 published?: CVE-2021-47912 was published on 2026-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpsugar:php_melody:3.0:*:*:*:*:*:*:*

More vulnerabilities in Phpsugar Php Melody

CVE-2018-5211 — Critical (CVSS 9.8): PHP Melody version 2.7.1 suffer from SQL Injection Time-based attack on the page ajax.php with the parameter playlist.
CVE-2017-15081 — Critical (CVSS 9.8): In PHPSUGAR PHP Melody CMS 2.6.1, SQL Injection exists via the playlist parameter to playlists.php.
CVE-2017-15579 — Critical (CVSS 9.8): In PHPSUGAR PHP Melody before 2.7.3, SQL Injection exists via an aa_pages_per_page cookie in a playlist action to…
CVE-2017-15578 — High (CVSS 8.8): In PHPSUGAR PHP Melody before 2.7.3, SQL Injection exists via the image parameter to admin/edit_category.php.
CVE-2021-47915 — High (CVSS 8.1): PHP Melody version 3.0 contains a remote SQL injection vulnerability in the video edit module that allows authenticated…
CVE-2021-47914 — Medium (CVSS 6.4): PHP Melody version 3.0 contains a persistent cross-site scripting vulnerability in the edit-video.php submitted…

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